6811361 has 2 divisors, whose sum is σ = 6811362. Its totient is φ = 6811360.

The previous prime is 6811333. The next prime is 6811369. The reversal of 6811361 is 1631186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6599761 + 211600 = 2569^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 6811361 - 2¹⁰ = 6810337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6811361.

It is not a weakly prime, because it can be changed into another prime (6811369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405680 + 3405681.

It is an arithmetic number, because the mean of its divisors is an integer number (3405681).

Almost surely, 2^6811361 is an apocalyptic number.

It is an amenable number.

6811361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811361 is an equidigital number, since it uses as much as digits as its factorization.

6811361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 6811361 is about 2609.8584252790. The cubic root of 6811361 is about 189.5590976976.

It can be divided in two parts, 681 and 1361, that multiplied together give a triangular number (926841 = T₁₃₆₁).

The spelling of 6811361 in words is "six million, eight hundred eleven thousand, three hundred sixty-one".